Exam 1
Diana will now go to another app that lets her use pictures for free.
(n+1)(n+2)
__________
2
If ABCD is a parallelogram, then ABCD is a square.
Is the contrapositive of this statement true?
No. If ABCD is not a square, then ABCD is not a parallelogram.
Describe the transformation and the state the figure: (x-4)2+y2=14
Circle
x = 2 cm
Solve find <DCE
<DCE =53
Consider a regular n-gon. How many axes of reflectional symmetry does it have?
n
Which of the figures below have the following characteristic?
Diagonals bisect each other.
Parallelogram
Rectangle
Rhombus
Square
Rhombus
Square
Tubby Toby's food bag has 16lbs of food. Toby eats 2lbs of food every 5 days.
Write the equation of the line modeling this situation.
y=-2/5 x + 16
x = 5cm
UCI is the shape of a circle. The diameter is 24 ft long. Debbie runs 45 degrees of the outside. How many feet did Debbie run?
18 pi ft or 56.55 ft
Hi, I'm poor
x=18, y=21
Write a short proof to show the diagonal of a parallelogram forms two congruent triangles.
ABCD is a parallelogram. AB is congruent to CD and BC is congruent to AD by properties of a parallelogram. BD is congruent to itself cuz same so triangle ABC is congruent to triangle CDA by SSS.
Are these lines parallel, perpendicular, or neither?
y = 5x+3
y = -5x +3
NEITHER
How many similar triangles do we have here? Prove it.
3
Find the question mark
? = 127 degrees
Find the perimeter of the shape on the free app
(7 pi +24) cm
I shall see
Write the equation for a parabola with a horizontal shift to the left of 3 units and a vertical shift of 7 units down.
y = (x+3)2-7
My friend made a crepe cake for Debbie's Birthday. Debbie and I ate 1/4 of the cake. The slices had radius 5 inches. How much of the cake did we eat (in area)?
25/4 pi in2 or 19.63 in2